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AstDyS ∴ Objects ∴ Anacostia ∴ Summary
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(980) Anacostia  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.73915 8.692e-09 au
e 0.203016 3.452e-08
i 15.908 5.058e-06 deg
Ω 285.807 1.599e-05 deg
ω 70.017 2.03e-05 deg
M 131.499 1.227e-05 deg

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Other useful info
Absolute Magnitude (H)    7.9 mag
Slope parameter (G)    0.06 mag
Perihelion 2.1831 au
Aphelion 3.2952 au
Asc. node-Earth separation 1.43819 au
Desc. node-Earth separation 1.83792 au
Earth MOID 1.23286 au
Orbital period 1655.86 days
Date of orbit computation  Oct 31 04:55
Observational summary
Optical observations (Discarded) 1594 (77)
Radar observations (Discarded) 0 (0)
Arc length 36822.2 days
Unobserved 34 days

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Ephemeris at epoch 58438 MJD
Right Ascension 161.482 deg
Declination -2.93043 deg
V Magnitude 14.08 mag
Solar Elongation 69.59 deg
Galactic Latitude 47.35 deg
Rate 0.244 deg/day
Direction 129.367 deg

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